|
gptkbp:instanceOf
|
gptkb:telecommunications_company
|
|
gptkbp:alsoKnownAs
|
gptkb:Ma_Bell
|
|
gptkbp:country
|
gptkb:United_States
|
|
gptkbp:dissolved
|
1984
|
|
gptkbp:founded
|
1877
|
|
gptkbp:foundedBy
|
gptkb:Alexander_Graham_Bell
gptkb:Gardiner_Greene_Hubbard
gptkb:Thomas_Sanders
|
|
gptkbp:headquartersLocation
|
gptkb:New_York_City
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Bell System
|
|
gptkbp:industry
|
telecommunications
|
|
gptkbp:notableEmployee
|
gptkb:Arno_Penzias
gptkb:Bell_Labs
gptkb:Claude_Shannon
gptkb:John_Bardeen
gptkb:John_R._Pierce
gptkb:John_Tukey
gptkb:Richard_Hamming
gptkb:Robert_Wilson
gptkb:Walter_Brattain
gptkb:William_Shockley
gptkb:Chester_Carlson
gptkb:Harold_Arnold
gptkb:Mervin_Kelly
gptkb:Walter_Houser_Brattain
gptkb:Dudley_Allen_Buck
gptkb:Erna_Schneider_Hoover
gptkb:Gerald_Pearson
gptkb:Jan_Achenbach
gptkb:John_Robinson_Pierce
gptkb:William_R._Bennett_Jr.
|
|
gptkbp:notableEvent
|
antitrust lawsuit by U.S. Department of Justice
breakup of Bell System
|
|
gptkbp:notableInvention
|
gptkb:C_programming_language
gptkb:Cyclops
gptkb:UNIX_operating_system
gptkb:information_theory
gptkb:laser
gptkb:microprocessor
gptkb:satellite
gptkb:Picturephone
gptkb:fiber
gptkb:No._1A10_switch
gptkb:No._1A11_switch
gptkb:No._1A12_switch
gptkb:No._1A13_switch
gptkb:No._1A14_switch
gptkb:No._1A1_switch
gptkb:No._1A2_switch
gptkb:No._1A3_switch
gptkb:No._1A5_switch
gptkb:No._1A6_switch
gptkb:No._1A7_switch
gptkb:No._1A9_switch
gptkb:No._1A_ESS_switch
gptkb:No._1XB_switch
gptkb:No._1_ESS_switch
gptkb:No._2XB_switch
gptkb:No._2_ESS_switch
gptkb:No._3XB_switch
gptkb:No._3_ESS_switch
gptkb:No._4A_toll_switching_system
gptkb:No._4B_toll_switching_system
gptkb:No._4C_toll_switching_system
gptkb:No._4D_toll_switching_system
gptkb:No._4ESS_switch
gptkb:No._4E_toll_switching_system
gptkb:No._4XB_switch
gptkb:No._4_ESS_switch
gptkb:No._5XB_switch
gptkb:No._5_ESS_switch
gptkb:T-carrier_system
gptkb:charge-coupled_device
gptkb:number_five_crossbar_switch
data transmission
error-correcting codes
radio astronomy
solar cell
transistor
satellite communications
digital transmission
electronic switching system
fax machine
fiber optic communications
microwave relay system
modem
touch-tone dialing
transatlantic telephone cable
electret microphone
No. 1A15 switch
No. 1A16 switch
No. 1A17 switch
No. 1A18 switch
No. 1A19 switch
No. 1A20 switch
No. 1A4 switch
No. 1A8 switch
automatic call distributor
cellular telephone
digital telephone exchange
direct distance dialing
electronic telephone exchange
mobile telephone service
pulse code modulation
rotary dial
telephone handset
telephone repeater
telephone switchboard
transatlantic radio telephone service
|
|
gptkbp:parentCompany
|
gptkb:AT&T
|
|
gptkbp:product
|
gptkb:smartphone
industrial equipment
|
|
gptkbp:resultedIn
|
creation of Baby Bells
|
|
gptkbp:subsidiary
|
gptkb:Bell_Labs
gptkb:Western_Electric
gptkb:AT&T_Long_Lines
gptkb:regional_Bell_operating_companies
|
|
gptkbp:bfsParent
|
gptkb:American_Telephone_&_Telegraph_Company
gptkb:The_Bell_Telephone_Hour
|
|
gptkbp:bfsLayer
|
4
|